/*
 * 面向属性的 CSS
 */

// layout  布局
.flex {
	flex: 1;
}
.df {
	display: flex;
}
.fdc {
	flex-direction: column;
}
.fwrop {
	flex-wrap: wrap;
}
.jcenter {
	justify-content: center;
}
.jsbetween {
	justify-content: space-between;
}
.jsaround {
	justify-content: space-around;
}
.jstart {
	justify-content: start;
}
.jsend {
	justify-content: end;
}
.aend {
	align-items: end;
}
.acbetween {
	align-content: space-between;
}
.jright {
	justify-content: right;
}
.acenter {
	align-items: center;
}
.tcenter {
	text-align: center;
}
.tleft {
	text-align: left;
}
.tright {
	text-align: right;
}

.f_sb {
	display: flex;
	justify-content: space-between;
}
.f_acenter {
	display: flex;
	align-items: center;
}
.f_sb_acenter {
	display: flex;
	justify-content: space-between;
	align-items: center;
}
.b_box {
	box-sizing: border-box;
}

.pd-lr20 {
	padding: 0 20px;
}

// 定位
.abs {
	position: absolute;
}
.rel {
	position: relative;
}
.fixed {
	position: fixed;
}
.cf::after {
	display: block;
	content: "";
	clear: both;
}
.fl {
	float: left;
}
.fr {
	float: right;
}

// 字体大小 fontsize
.f12 {
	font-size: 12px;
}
.f14 {
	font-size: 14px;
}
.f16 {
	font-size: 16px;
}
.f18 {
	font-size: 18px;
}
.f20 {
	font-size: 20px;
}
.f22 {
	font-size: 22px;
}
.f28 {
	font-size: 28px;
}
.f30 {
	font-size: 30px;
}
.f80 {
	font-size: 80px;
}
.fb {
	font-weight: bold;
}
.fm {
	font-size: medium;
}

// 颜色
.cwhite {
	color: #fff;
}
.cw {
	color: #77c0f7;
}
.cgray {
	color: #8a8a8a;
}
.cblue {
	color: #4294ff;
}
.bgwhite {
	background-color: #fff;
}
.bggary {
	background-color: #e8e8e8;
}
.bgblue {
	background-color: #4294ff;
}

// 怪异盒子
.b-box {
	box-sizing: border-box;
}

/* user */
.layout {
	padding: 20px;
	margin-bottom: 20px;
}
.circle {
	border-radius: 50%;
	border: 1px solid blue;
}
.m_b20 {
	margin-bottom: 20px;
}
.m_b10 {
	margin-bottom: 10px;
}
.m_t0 {
	margin-top: 0;
}
.ml12 {
	margin-left: 12px;
}
.mb4 {
	margin-bottom: 4px;
}
.vbottom {
	vertical-align: bottom;
}
.aend {
	align-items: end;
}
/* personal */
.d_inline {
	display: inline-block;
}
/* training */
.p5 {
	padding: 5%;
}
